Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-7,046,613 |
Exposure apparatus of an optical disk master, method of exposing an
optical disk master and pinhole mechanism An exposure apparatus of an optical disk master having a laser source, a deflector for deflecting a recording laser beam obtained based on the laser beam of the... |
| US-7,046,612 |
Drive current supply circuit with current mirror A drive current supply circuit is provided in which the speed of rise of the drive current to a laser diode is increased. In a drive current supply circuit for... |
| US-7,046,611 |
Optical pickup compatible with a digital versatile disk and a recordable
compact disk using a holographic ring lens An optical pickup apparatus compatible with at least two types of optical recording media, using light beams having respective different wavelengths for... |
| US-7,046,610 |
Recording medium suitable for recording/reproducing multi-level data A recording medium with a data format is provided. The data format includes frames and an ECC block. Each of the frames includes a plurality of n-level data, n... |
| US-7,046,609 |
Focus search method and reproducing apparatus A pickup is moved in a direction opposite to a pickup moving direction in which the pickup is to be moved. At a timing at which a period of time corresponding to... |
| US-7,046,608 |
Method for correcting disc type determination A method for correcting disc type determination is disclosed. The method detects a tracking error signal, and verifies accuracy of a disc type determination... |
| US-7,046,607 |
Multimedia copy control system and method using digital data recording
medium and optical disc reproducing... In a multimedia copy control system, digital contents data stored in the digital data recording medium includes a first copy control information of a digital... |
| US-7,046,606 |
Optical disc drive An optical disc drive according to the present invention may be loaded with an arbitrarily selected one of optical discs of multiple types including a first... |
| US-7,046,605 |
Recording medium for storing version information for maintaining recording
and/or reproducing compatibility,... A method of recording read/write compatibility information on an optical disc. Extended part version information, latest part version having recording... |
| US-7,046,604 |
Optical disc driving apparatus Herein disclosed is a optical disc driving apparatus for driving an optical disc having a central axis, comprising: a turntable having a central axis, said... |
| US-7,046,603 |
Information storage apparatus There is disclosed an information storage apparatus in which even when a remaining power of a battery or a galvanic cell is low, an information recording medium... |
| US-7,046,602 |
Process for computing eccentric amount of disk upon rotating A process for computing an eccentric amount of a disk upon rotating is provided. The process includes steps of starting a servo control system of a disk drive to... |
| US-7,046,601 |
Method of controlling laser power of main beam by monitoring sub beam A method is designed for recording information on an optical disk in the form of a sequence of pits along a track of the optical disk. The method is carried out... |
| US-7,046,600 |
Optical disc apparatus with laser power control matching linear recording
velocity A method is designed for controlling a power of a laser beam irradiated onto a track of an optical disc for recording of data at a given linear velocity. The... |
| US-7,046,599 |
Optical disc recording method and optical disc recording apparatus for
setting optimal recording power to... An optical disc recording method comprises the steps of: setting a recording parameter function representing a relationship between a recording velocity for... |
| US-7,046,598 |
Apparatus for and method of detecting phase difference between phase
reference signal and wobble An apparatus which records/reproduces data with respect to an optical recording medium, includes a data processing unit which detects a phase difference between... |
| US-7,046,597 |
Optical disk apparatus for recording information at a recording density
proportional to the actual information... A method is designed for recording contents information along a track of an optical disk of a writeable type. A volume detection step is carried out for... |
| US-7,046,596 |
Record carrier having an improved modulated servo track for more reliable
synchronization and an apparatus for... A record carrier (1) has a servo track (4) indicating an information track (9) intended for recording information blocks represented by marks. The servo track... |
| US-7,046,595 |
Method of reproducing information with equalization coefficient for the
reproduced information A method of reproducing information by scanning information marks, disposed with a predetermined mark pitch therebetween and recorded on tracks inside a... |
| US-7,046,594 |
Apparatus and method for optical storage system focus control A method of adjusting the focus control for an optical storage system where light is reflected from a surface towards a lens. The method includes receiving a... |
| US-7,046,593 |
Optical disk apparatus and method for adjusting tilt based on optical disk
type An optical disk apparatus configured to be compatible with a plurality of disk types includes an objective lens to focus a laser beam onto an optical disk... |
| US-7,046,592 |
Optical disk reproducing apparatus When a run-away phenomenon of an optical disk occurs, a control circuit detects a rotational direction of the optical disk that runs away by comparing an initial... |
| US-7,046,591 |
Track traverse counting on an optical disk An apparatus detects the number of tracks traversed on an optical disk. The apparatus includes a differentiation part for differentiating an output signal of a... |
| US-7,046,590 |
Objective lens drive device, and disk recording and/or reproducing device The present invention is directed to an object lens drive device adapted for moving an object lens (21) in a focus direction of optical axis direction and in a... |
| US-7,046,589 |
Information-signal recording and reproducing apparatus A recording medium has first and second areas on which first and second information signals are recorded respectively. The first information signal has a size... |
| US-7,046,588 |
Method and apparatus for recording and reproducing audio highlight portion
and recording medium for storing... A method and apparatus for recording and/or reproducing an audio highlight portion of an audio selection, and a recording medium for storing additional... |
| US-7,046,587 |
Systems and methods for providing automatic access to data media in a data
storage system A system and method for providing automated access to a plurality of data media located in an extendable drawer in an opening in a data storage system are... |
| US-7,046,586 |
Automated hardware sensing and library configuration A method and apparatus for automatically configuring a robotic storage media library is disclosed. The disclosed invention utilizes software to interpret signals... |
| US-7,046,585 |
Information storage medium and information recording apparatus for storing
video and audio signals distributed... An information storage medium according to an embodiment of this invention includes a management area for recording management information, and a data area for... |
| US-7,046,584 |
Compensated ensemble crystal oscillator for use in a well borehole system A compensated ensemble crystal oscillator clock system for use in a well borehohe system. The clock system includes preferably four quad compensated clocks, a... |
| US-7,046,583 |
High-power transmission acoustic antenna The present invention relates to high-frequency antennas with high transmission power. The invention consists in making the backing layer of such an antenna with... |
| US-7,046,582 |
Method and system for synthetic aperture sonar A method and system for synthetic aperture sonar provide improved position estimates of a receive array as in moves through a body of water. |
| US-7,046,581 |
Well-to-well tomography A method of obtaining a spatial model of a property of part of a subsurface formation located between underground seismic receivers in which at least two sets of... |
| US-7,046,580 |
Apparatus and method for address selection An apparatus for address selection including a first storage element and a second storage element coupled to an input bus. The first storage element stores a... |
| US-7,046,579 |
Semiconductor storage device The semiconductor storage device has a clock input buffer to output an internal clock signal INCLK, a NOT circuit to receive an external signal /CS, and an OR... |
| US-7,046,578 |
Method and apparatus for memory device wordline A method and apparatus for improving the speed of a wordline in a memory device. A wordline structure includes a main wordline for selectively distributing a... |
| US-7,046,577 |
Negative voltage word line decoder, having compact terminating elements An address decoder selectively applies to word lines of a memory array individual signals of variable polarity, negative or positive, the value of which varies... |
| US-7,046,576 |
Multi-port memory device A multi-port memory device capable of preventing the first high data failure at an initial data transmission on a global data bus line according to the present... |
| US-7,046,575 |
Bus connection circuit for read operation of multi-port memory device There is provided a semiconductor memory design technique, specifically a bus connection circuit for a read operation of a multi-port memory device. The bus... |
| US-7,046,574 |
Memory system A memory system having a semiconductor storage device divided into plural areas, in which information becomes accessible by specifying an absolute physical... |
| US-7,046,573 |
Semiconductor integrated circuit and IC card A semiconductor integrated circuit has a memory which can enter active state or standby state, and the memory has voltage generation circuits for bit lines and... |
| US-7,046,572 |
Low power manager for standby operation of memory system A memory system includes a memory array, a plurality of wordline drivers, a row address decoder block which has a plurality of outputs connected to selected ones... |
| US-7,046,571 |
Internal voltage generating circuit for periphery, semiconductor memory
device having the circuit and method... An internal voltage generator for memory bank peripheral circuitry, a semiconductor memory device having the internal voltage generator, and a method for... |
| US-7,046,570 |
Programmable logic devices optionally convertible to one time programmable
devices Programmable logic devices (PLDs) that can be repeatedly erased and reprogrammed, e.g., during the testing and/or design phases, and then converted to one-time... |
| US-7,046,569 |
Semiconductor integrated circuit device including OTP memory, and method
of programming OTP memory A semiconductor integrated circuit device includes a storage element, state sensing circuit, and control circuit. Information is programmed in the storage... |
| US-7,046,568 |
Memory sensing circuit and method for low voltage operation A sensing module operates with a sense amplifier sensing a conduction current of a memory cell via a coupled bit line under constant voltage condition in order... |
| US-7,046,567 |
Sense amplifying circuit and bit comparator with the sense amplifying
circuit A sense amplifying circuit and a bit comparator having the sense amplifying circuit. The sense amplifying circuit may include a selecting unit, a sensing unit, a... |
| US-7,046,566 |
Voltage-based timing control of memory bit lines Circuitry and methods are provided for controlling memory operation by comparing bit line voltages to preset reference voltages. By relying on bit line voltage... |
| US-7,046,565 |
Bi-mode sense amplifier with dual utilization of the reference cells and
dual precharge scheme for improving... An electronic memory system includes a memory array of a number of pair of bitlines comprising a true bitline and a complementary bitline. A first normal cell... |
| US-7,046,564 |
Semiconductor memory The invention relates to semiconductor memories, and in particular, to DRAMs with a memory subunit including a memory cell in which a data value is stored and... |
Copyright 2008−2012 Patents.com
